TMP92xy21FG Toshiba, TMP92xy21FG Datasheet - Page 132
TMP92xy21FG
Manufacturer Part Number
TMP92xy21FG
Description
Manufacturer
Toshiba
Datasheet
1.TMP92XY21FG.pdf
(544 pages)
Specifications of TMP92xy21FG
Package
LQFP144
Rom Types(m=mask,p=otp, F=flash,e=eeprom)
Romless
Rom Combinations
Romless
Ram Combinations
16
Architecture
32-bit CISC
Usb/spi Channels
-
Uart/sio Channels
2
I2c/sio Bus Channels
-
(s)dram Controller
1
Adc 10-bit Channel
4
Da Converter
-
Timer 8-bit Channel
4
Timer 16-bit Channel
1
Pwm 8-bit Channels
-
Pwm 16-bit Channels
-
Cs/wait Controller
4
Dual Clock
Y
Number Of I/o Ports
82
Power Supply Voltage(v)
3.0 to 3.6
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Example when using PWM mode
Note: When the double buffer is enabled for an 8-bit timer in PWM or PPG mode, caution is required
Match between
TA0REG and up-counter
TA1OUT
2
(INTTA0)
n
(4) Comparator (CP0)
(5) Timer flip-flop (TA1FF)
overflow interrupt
as explained below.
If new data is written to the register buffer immediately before an overflow occurs by a
match between the timer register value and the up-counter value, the timer flip-flop may
output an unexpected value.
For this reason, make sure that in PWM mode new data is written to the register buffer by
six cycles (f
When using PPG mode, make sure that new data is written to the register buffer by six
cycles before the next cycle compare match occurs by using a cycle compare match
interrupt.
register. If they match, the up counter is cleared to “0” and an interrupt signal
(INTTA0 or INTTA1) is generated. If timer flip-flop inversion is enabled, the timer
flip-flop is inverted at the same time.
comparator output) of each interval timer.
TA1FFCR<TA1FFIE> in the timer flip-flops control register. A reset clears the value of
TA1FF to “0”. Writing “01” or “10” to TA1FFCR<TA1FFC1:0> sets TA1FF to “0” or “1”.
Writing “00” to these bits inverts the value of TA1FF (this is known as software
inversion).
beforehand using the port C function register PCCR and PCFC.
The comparator compares the value in an up counter with the value set in a timer
The timer flip-flop (TA1FF) is a flip-flop inverted by the match detect signals (8-bit
Whether inversion is enabled or disabled is determined by the setting of the bit
The TA1FF signal is output via the TA1OUT pin (which can also be used as PC0).
When this pin is used as the timer output, the timer flip-flop should be set
SYS
× 6) before the next overflow occurs by using an overflow interrupt.
92CH21-130
Write new data to the register buffer
before the next overflow occurs by
using an overflow interrupt
(PWM cycle)
t
PWM
Desired PWM cycle
change point
TMP92CH21
2009-06-19
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